body{
    background-color: #E5E8D7;
}
.all{
    margin: 0 auto;
    width: 1200px;
}
.container{
    margin: 50px 20px 40px 20px;
}
.main{
    width: 100%;
    min-height: 500px;
    background-color: #F9F9F9;
    margin-top: 80px;
}
ul a{
    color: #434750;
}
.title {
    height: 30px;
    padding-top: 20px;
    border-bottom: 1px solid #CCCCCC;
    margin: 30px 20px 5px 20px;
    color: #434750;
    padding-left: 10px;
}
.allClass{
    padding: 30px 50px;
}
.allClass li{
    width: 25%;
    height: 250px;
    border: 1px solid #CCCCCC;
    display: inline-block;
    margin: 15px 3%;
}
.pic{
    width: 100%;
    height: 160px;
}
.pic img{
    width: 100%;
    height: 100%;
}
.classInf{
    padding: 10px;
}
.className{
    font-size: 20px;
    margin-bottom: 5px;
}
.student{
    font-size: 13px;
    margin-bottom: 5px;
    color: #666;
}
.teacher{
    font-size: 13px;
    margin-bottom: 5px;
    color: #666;
}
